This is a module to post your file to Dropbox and returns a shared link
Just like any other babl module, you need to install babl on your computer first. Check out this Get Started by babl.sh
Then you need to get a token from Dropbox to upload file to your own Dropbox account. Check out this blog post.
When you have the token for your account, here's how to use the babl module
cat ~/somefile.jpg | babl omnisyle/dropbox -e TOKEN="your_token" -e FILE="/path/to/file.jpg"
### return shared link
### => https://........